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Following tutorial will help you in tweaking your Windows Vista to the max and you'll feel a significant improvement in your system performance. So without wasting any time lets start:
1. Following is a registry file containing a few registry modifications, which are completely safe and can increase the performance of Windows Vista. Just download the attached ZIP file, extract it and then run the file:
Tweak Windows Vista (CLICK HERE)
Restore Default Settings (Use this file if you want to restore default Windows settings)
2. Right-click on My Computer icon on Desktop and select Properties (or press
Now disable all unnecessary options in Visual Effects tab, you can remain following options enabled according to your requirements:
3. Open Folder Options and click on View tab:
Now disable following options:
Other options don't affect the system performance. You can enable/disable them according to your requirements.
4. Right-click on My Computer icon on Desktop and select Manage (You can also open it by typing services.msc in RUN or start menu search box and press Enter).
Now goto Services &Applications -> Services. Here you can set a few unnecessary services to Manual, which will not start with windows and will decrease the boot time and will increase system performance.
Please follow the following tutorial to know about which services can be safely set to MANUAL:
Windows Vista Services that can be Safely set to MANUAL
5. Type msconfig in RUN or Startmenu search box and press Enter. Now goto Startup tab and deselect the unnecessary entries, which you don't want to start automatically with Windows, e.g. you can disable VGA driver utility, Sound Card utility, etc to speed up the startup time and to increase system performance.
You can also disable these items using Windows Defender. Open Windows Defender and click on Toolsand then click on "Software Explorer".
6. Open Sound in Control Panel (or type mmsys.cpl in RUN or Startmenu search box and press Enter), goto Sounds tab and select No Sounds in Sound Scheme section. Or you can remain some of your favorite sounds but set Exit Windows, Windows Logoff, Windows Logon and Start Navigation to(None).
7. After following all above mentioned points, you'll see a big improvement in your Windows Vista performance. If you want to tweak more, then you can use 3rd party tools which are listed here:
Windows Vista Tweaking Software List
8. At last I'll advise to defrag the HDD regularly, install only necessary software , use the latest drivers and keep your Windows updated.
This tutorial is meant for increasing the performance of Windows XP, either it can be a fresh installation or an older windows.
1.) Following is a registry file containing a few registry modifications, which are completely safe and can increase the performance of Windows. Just download the attached ZIP file, extract it and then run the file:
Tweak Windows XP(click here)
Restore Default Settings (Use this file if you want to restore default Windows settings)
2.) Right-click on Desktop and select Properties, Now in the new window goto Appearance tab and click on Effects button. Now in the new opened window uncheck the following options:
a.) Use the following transition effect for menus & tooltips.
b.) Show shadows under menus.

3.) Right-click on My Computer icon on Desktop and select Properties (or press
Now disable all unnecessary options in Visual Effects tab, you can remain following options enabled according to your requirements:
a.) Show window contents while dragging.
b.) Smooth edges of screen fonts.
c.) Use common tasks in folders (If you use the left side pane in My computer)
d.) Use drop shadows on icon labels on the desktop. (to make the desktop icons label transparent.)
e.) Use visual styles on windows and buttons. (If you use XP themes.)

4.) Open Tools -> Folder Options and click on View tab:

Now uncheck following options:
a.) Automatically search for network folders & printers.
b.) Display file size information in folder tips.
c.) Display simple folder view in Explorer's Folders list.
d.) Show encrypted or compressed NTFS files in color.
e.) Show pop-up description for folder and desktop icons.
f.) Use simple file sharing.
Other options don't affect the system performance. You can enable/disable them according to your requirements.
5.) Right-click on My Computer icon on Desktop and select Manage (You can also open it by typingservices.msc in RUN and press Enter). Now goto Services & Applications -> Services. Here you can set a few unnecessary services to Manual, which will not start with windows and will decrease the boot time and will increase system performance. Please follow the following tutorial to know about which services can be safely set to MANUAL:
Windows XP Services that can be Safely set to MANUAL
6.) Type msconfig in RUN and press Enter. Now goto Startup tab and deselect the unnecessary entries, which you don't want to start automatically with Windows, e.g. you can disable VGA driver utility,Sound Card utility, etc to speed up the startup time and to increase system performance.
7.) Open Sound & Audio Devices in Control Panel (or type mmsys.cpl in RUN), goto Sounds tab and select No Sounds in Sound Scheme section. Or you can remain some of your favorite sounds but setExit Windows, Start Windows, Windows Logoff, Windows Logon to (None).
8.) For more options/tips-n-tricks, you can use TweakUI, Tuneup Utilities 2006 and gpedit.msc(Windows XP Professional built-in tool).
DISCLAIMER: This information is intended for experienced users. It is not intended for basic users, hackers, or computer thieves. Please do not try any of following procedures if you are not familiar with computer hardware. We'll not be responsible for the use or misuse of this information, including personal injury, loss of data or hardware damage. So use it at your own risk.
BIOS passwords are used to add some extra security to computers. You can either set a password to prevent access to BIOS settings or to prevent PC from booting.
But sometimes this extra security might become a pain when you forget the BIOS password or someone changes your system BIOS password intentionally.
But there is no need to worry. There are many known ways to reset / remove / bypass the password:
A. By Removing the CMOS Battery:

Almost all motherboards use a small coin sized CMOS battery to store all BIOS settings along with the password. To reset the password, unplug the PC, open the cabinet and remove the CMOS battery for approx. 15-30 minutes and then put it back. It'll reset all BIOS settings as well as the password and you'll need to re-enter all settings.
If it fails, then try to remove the battery for at least one hour.
B. By Using the Motherboard Jumper:
Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don't have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.
When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.
Make sure to turn the PC off before opening the cabinet and resetting the jumper.
C. By Using MS DOS Command:
This method works only if you have access to the system when its turned on because this method requires MS DOS. Open Command Prompt from Programs menu and provide following commands one bye one:
debug
o 70 2E
o 71 FF
quit
NOTE: The first character in the above commands is "O" and not the number 0.
After providing the above commands, restart your system and it should reset the CMOS Settings along with the BIOS password.
If you are curious to know how it works? then let me explain the above commands:
In this method we are using the Debug tool of MS DOS. The "O" character present at first in these commands, outputs the values to IO ports. The number 70 and 71 are port numbers which are used to access CMOS memory. By providing FF value we are telling CMOS that there is an invalid checksum and it resets the CMOS settings as well as BIOS password.
D. By Using software :
There are a few software which can also reset CMOS settings or BIOS password or both within a few clicks. But as stated above you should have access to a system which is turned on and should have access to MS DOS or MS Windows:
E. By Using Backdoor BIOS Password:
Some BIOS manufacturer put a backdoor password in BIOS which always works irrespective of what password you have set in BIOS. Its a master password which is used for testing and troubleshooting purposes.
AMI BIOS Passwords:
A.M.I.
AAAMMMIII
AMI?SW
AMI_SW
AMI
BIOS
CONDO
HEWITT RAND
LKWPETER
MI
Oder
PASSWORD
AWARD BIOS Passwords:
01322222
589589
589721
595595
598598
ALFAROME
ALLy
aLLy
aLLY
ALLY
aPAf
_award
award
AWARD_SW
AWARD?SW
AWARD SW
AWARD PW
AWKWARD
awkward
BIOSTAR
CONCAT
CONDO
Condo
d8on
djonet
HLT
J64
J256
J262
j332
j322
KDD
Lkwpeter
LKWPETER
PINT
pint
SER
SKY_FOX
SYXZ
syxz
shift + syxz
TTPTHA
ZAAADA
ZBAAACA
ZJAAADC
PHOENIX BIOS Passwords:
BIOS
CMOS
phoenix
PHOENIX
Misc Common Passwords:
ALFAROME
BIOSTAR
biostar
biosstar
CMOS
cmos
LKWPETER
lkwpeter
setup
SETUP
Syxz
Wodj
Other Manufacturer BIOS Passwords:
Biostar - Biostar
Compaq - Compaq
Dell - Dell
Enox - xo11nE
Epox - central
Freetech - Posterie
IWill - iwill
Jetway - spooml
Packard Bell - bell9
QDI - QDI
Siemens - SKY_FOX
TMC - BIGO
Toshiba - Toshiba
VOBIS & IBM - merlin
NOTE: All these passwords are case-sensitive and are changed from time to time by manufacturers.